<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
        //document.getElementById('chart_div').innerHTML = test;
        var test = '<?php echo $test; ?>';
        google.load("visualization", "1", {packages:["corechart"]});
        google.setOnLoadCallback(drawCarChart);
</script>
<div id="refresh"><input id="" class="" type="button" value="Refresh page" onClick="updateWall()" /></div>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
